LEASES (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Leases [Abstract]
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months		$ 16,288
Operating Lease, Cost	[1]	14,550	$ 16,881	$ 10,718
Short-term Lease, Cost		23	16	116
Variable Lease, Cost		0	0	0
Lease, Cost		14,573	$ 16,897	$ 10,834
Lessee, Operating Lease, Liability, Payments, Due Year Two		12,349
Lessee, Operating Lease, Liability, Payments, Due Year Three		10,585
Lessee, Operating Lease, Liability, Payments, Due Year Four		9,406
Lessee, Operating Lease, Liability, Payments, Due Year Five		7,028
Lessee, Operating Lease, Liability, Payments, Due after Year Five		12,038
Lessee, Operating Lease, Liability, Payments, Due	[2]	67,694
Operating Lease, Liability, Undiscounted Excess Amount		3,786
Operating Lease, Liability		$ 63,908			$ 34,100
Operating Lease, Weighted Average Remaining Lease Term		5 years 8 months 19 days	5 years 7 months 2 days	6 years 5 months 4 days
Operating Lease, Weighted Average Discount Rate, Percent		1.97%	2.13%	2.75%

[1] Operating lease cost for the years ended December 31, 2021 and 2020, respectively, is inclusive of impairment charges recognized by the Company in relation to branch closure decisions made during each year.

[2] These amounts are inclusive of termination payments associated with branch closure decisions made during 2021.